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<FONT color="green">001</FONT>    package org.hackystat.telemetry.analyzer.evaluator;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import org.hackystat.telemetry.analyzer.function.TelemetryFunctionManager;<a name="line.3"></a>
<FONT color="green">004</FONT>    import org.hackystat.telemetry.analyzer.language.ast.ChartReference;<a name="line.4"></a>
<FONT color="green">005</FONT>    import org.hackystat.telemetry.analyzer.language.ast.Constant;<a name="line.5"></a>
<FONT color="green">006</FONT>    import org.hackystat.telemetry.analyzer.language.ast.Expression;<a name="line.6"></a>
<FONT color="green">007</FONT>    import org.hackystat.telemetry.analyzer.language.ast.FunctionCall;<a name="line.7"></a>
<FONT color="green">008</FONT>    import org.hackystat.telemetry.analyzer.language.ast.NumberConstant;<a name="line.8"></a>
<FONT color="green">009</FONT>    import org.hackystat.telemetry.analyzer.language.ast.ReducerCall;<a name="line.9"></a>
<FONT color="green">010</FONT>    import org.hackystat.telemetry.analyzer.language.ast.StreamsReference;<a name="line.10"></a>
<FONT color="green">011</FONT>    import org.hackystat.telemetry.analyzer.language.ast.StringConstant;<a name="line.11"></a>
<FONT color="green">012</FONT>    import org.hackystat.telemetry.analyzer.language.ast.TelemetryChartDefinition;<a name="line.12"></a>
<FONT color="green">013</FONT>    import org.hackystat.telemetry.analyzer.language.ast.TelemetryChartYAxisDefinition;<a name="line.13"></a>
<FONT color="green">014</FONT>    import org.hackystat.telemetry.analyzer.language.ast.TelemetryReportDefinition;<a name="line.14"></a>
<FONT color="green">015</FONT>    import org.hackystat.telemetry.analyzer.language.ast.TelemetryStreamsDefinition;<a name="line.15"></a>
<FONT color="green">016</FONT>    import org.hackystat.telemetry.analyzer.language.ast.Variable;<a name="line.16"></a>
<FONT color="green">017</FONT>    import org.hackystat.telemetry.analyzer.language.ast.YAxisReference;<a name="line.17"></a>
<FONT color="green">018</FONT>    import org.hackystat.telemetry.analyzer.model.TelemetryStream;<a name="line.18"></a>
<FONT color="green">019</FONT>    import org.hackystat.telemetry.analyzer.model.TelemetryStreamCollection;<a name="line.19"></a>
<FONT color="green">020</FONT>    import org.hackystat.telemetry.analyzer.reducer.TelemetryReducerManager;<a name="line.20"></a>
<FONT color="green">021</FONT>    import org.hackystat.dailyprojectdata.client.DailyProjectDataClient;<a name="line.21"></a>
<FONT color="green">022</FONT>    import org.hackystat.sensorbase.resource.projects.jaxb.Project;<a name="line.22"></a>
<FONT color="green">023</FONT>    import org.hackystat.utilities.time.interval.Interval;<a name="line.23"></a>
<FONT color="green">024</FONT>    <a name="line.24"></a>
<FONT color="green">025</FONT>    /**<a name="line.25"></a>
<FONT color="green">026</FONT>     * Provides an evaluation function for Telemetry, in which a definition is evaluated with <a name="line.26"></a>
<FONT color="green">027</FONT>     * respect to a set of variables and their values, a Project, and an Interval. <a name="line.27"></a>
<FONT color="green">028</FONT>     * <a name="line.28"></a>
<FONT color="green">029</FONT>     * @author (Cedric) Qin ZHANG<a name="line.29"></a>
<FONT color="green">030</FONT>     */<a name="line.30"></a>
<FONT color="green">031</FONT>    public class TelemetryEvaluator {<a name="line.31"></a>
<FONT color="green">032</FONT>    <a name="line.32"></a>
<FONT color="green">033</FONT>      /**<a name="line.33"></a>
<FONT color="green">034</FONT>       * Private constructor to prevent this class from being instantiated.<a name="line.34"></a>
<FONT color="green">035</FONT>       */<a name="line.35"></a>
<FONT color="green">036</FONT>      private TelemetryEvaluator() {<a name="line.36"></a>
<FONT color="green">037</FONT>      }<a name="line.37"></a>
<FONT color="green">038</FONT>      <a name="line.38"></a>
<FONT color="green">039</FONT>      /**<a name="line.39"></a>
<FONT color="green">040</FONT>       * Evaluates a telemetry streams definition to produce a <a name="line.40"></a>
<FONT color="green">041</FONT>       * &lt;code&gt;TelemetryStreamsObject&lt;/code&gt; object.<a name="line.41"></a>
<FONT color="green">042</FONT>       * <a name="line.42"></a>
<FONT color="green">043</FONT>       * @param streamsDefinition The telemetry streams definition.<a name="line.43"></a>
<FONT color="green">044</FONT>       * @param variableResolver The variable resolver.<a name="line.44"></a>
<FONT color="green">045</FONT>       * @param project The project.<a name="line.45"></a>
<FONT color="green">046</FONT>       * @param dpdClient The DPD Client.<a name="line.46"></a>
<FONT color="green">047</FONT>       * @param interval The interval.<a name="line.47"></a>
<FONT color="green">048</FONT>       * <a name="line.48"></a>
<FONT color="green">049</FONT>       * @return An instance of a &lt;code&gt;TelemetryStreamsObject&lt;/code&gt; object.  <a name="line.49"></a>
<FONT color="green">050</FONT>       * <a name="line.50"></a>
<FONT color="green">051</FONT>       * @throws TelemetryEvaluationException If there is any error during the evaluation process.<a name="line.51"></a>
<FONT color="green">052</FONT>       */<a name="line.52"></a>
<FONT color="green">053</FONT>      public static TelemetryStreamsObject evaluate(TelemetryStreamsDefinition streamsDefinition, <a name="line.53"></a>
<FONT color="green">054</FONT>          VariableResolver variableResolver, Project project, DailyProjectDataClient dpdClient,<a name="line.54"></a>
<FONT color="green">055</FONT>          Interval interval)<a name="line.55"></a>
<FONT color="green">056</FONT>          throws TelemetryEvaluationException {<a name="line.56"></a>
<FONT color="green">057</FONT>        <a name="line.57"></a>
<FONT color="green">058</FONT>        Object result = resolveExpression(streamsDefinition.getExpression(), <a name="line.58"></a>
<FONT color="green">059</FONT>                                          variableResolver, project, dpdClient, interval);<a name="line.59"></a>
<FONT color="green">060</FONT>        if (! (result instanceof TelemetryStreamCollection)) {<a name="line.60"></a>
<FONT color="green">061</FONT>          throw new TelemetryEvaluationException("Telemetry streams " + streamsDefinition.getName()<a name="line.61"></a>
<FONT color="green">062</FONT>              + " does not evaluate to a TelemetryStreamCollection. "<a name="line.62"></a>
<FONT color="green">063</FONT>              + "Is there at least one reducer in the expression?");<a name="line.63"></a>
<FONT color="green">064</FONT>        }<a name="line.64"></a>
<FONT color="green">065</FONT>        <a name="line.65"></a>
<FONT color="green">066</FONT>        // telemetry_streams_definition_name[&lt;parameter, ..., parameter&gt;][:individual_stream_tag].<a name="line.66"></a>
<FONT color="green">067</FONT>        StringBuffer categorySeriesNamePrefix = new StringBuffer(streamsDefinition.getName());<a name="line.67"></a>
<FONT color="green">068</FONT>        Variable[] variables = streamsDefinition.getVariables();<a name="line.68"></a>
<FONT color="green">069</FONT>        if (variables.length &gt; 0) {<a name="line.69"></a>
<FONT color="green">070</FONT>          categorySeriesNamePrefix.append('&lt;');<a name="line.70"></a>
<FONT color="green">071</FONT>          categorySeriesNamePrefix.append(variableResolver.resolve(variables[0]).getValueString());<a name="line.71"></a>
<FONT color="green">072</FONT>          for (int i = 1; i &lt; variables.length; i++) {<a name="line.72"></a>
<FONT color="green">073</FONT>            categorySeriesNamePrefix.append(", ");<a name="line.73"></a>
<FONT color="green">074</FONT>            categorySeriesNamePrefix.append(variableResolver.resolve(variables[i]).getValueString());<a name="line.74"></a>
<FONT color="green">075</FONT>          }<a name="line.75"></a>
<FONT color="green">076</FONT>          categorySeriesNamePrefix.append('&gt;');<a name="line.76"></a>
<FONT color="green">077</FONT>        }<a name="line.77"></a>
<FONT color="green">078</FONT>        <a name="line.78"></a>
<FONT color="green">079</FONT>        TelemetryStreamsObject telemetryStreamsObject = new TelemetryStreamsObject(streamsDefinition);<a name="line.79"></a>
<FONT color="green">080</FONT>        for (TelemetryStream stream : ((TelemetryStreamCollection) result)) {<a name="line.80"></a>
<FONT color="green">081</FONT>          Object streamTag = stream.getTag();<a name="line.81"></a>
<FONT color="green">082</FONT>          String streamName = streamTag == null ? categorySeriesNamePrefix.toString()<a name="line.82"></a>
<FONT color="green">083</FONT>              : categorySeriesNamePrefix.toString() + ':' + streamTag.toString();<a name="line.83"></a>
<FONT color="green">084</FONT>          telemetryStreamsObject.addStream(new TelemetryStreamsObject.Stream(streamName, stream));<a name="line.84"></a>
<FONT color="green">085</FONT>        }<a name="line.85"></a>
<FONT color="green">086</FONT>        return telemetryStreamsObject;<a name="line.86"></a>
<FONT color="green">087</FONT>      }<a name="line.87"></a>
<FONT color="green">088</FONT>    <a name="line.88"></a>
<FONT color="green">089</FONT>      /**<a name="line.89"></a>
<FONT color="green">090</FONT>       * Evaluates a telemetry chart definition to &lt;code&gt;TeemetryChartObject&lt;/code&gt; object.<a name="line.90"></a>
<FONT color="green">091</FONT>       * <a name="line.91"></a>
<FONT color="green">092</FONT>       * @param chartDefinition The telemetry chart definition.<a name="line.92"></a>
<FONT color="green">093</FONT>       * @param telemetryDefinitionResolver The telemetry definition resolver.<a name="line.93"></a>
<FONT color="green">094</FONT>       * @param variableResolver The variable resolver.<a name="line.94"></a>
<FONT color="green">095</FONT>       * @param project The project.<a name="line.95"></a>
<FONT color="green">096</FONT>       * @param dpdClient The DPD Client.<a name="line.96"></a>
<FONT color="green">097</FONT>       * @param interval The interval.<a name="line.97"></a>
<FONT color="green">098</FONT>       * <a name="line.98"></a>
<FONT color="green">099</FONT>       * @return An instance of &lt;code&gt;TelemetryChartObject&lt;/code&gt; object.  <a name="line.99"></a>
<FONT color="green">100</FONT>       * <a name="line.100"></a>
<FONT color="green">101</FONT>       * @throws TelemetryEvaluationException If there is any error during the evaluation process.<a name="line.101"></a>
<FONT color="green">102</FONT>       */<a name="line.102"></a>
<FONT color="green">103</FONT>      public static TelemetryChartObject evaluate(TelemetryChartDefinition chartDefinition, <a name="line.103"></a>
<FONT color="green">104</FONT>          TelemetryDefinitionResolver telemetryDefinitionResolver, VariableResolver variableResolver, <a name="line.104"></a>
<FONT color="green">105</FONT>          Project project, DailyProjectDataClient dpdClient, Interval interval) <a name="line.105"></a>
<FONT color="green">106</FONT>      throws TelemetryEvaluationException {<a name="line.106"></a>
<FONT color="green">107</FONT>        <a name="line.107"></a>
<FONT color="green">108</FONT>        TelemetryChartObject telemetryChartObject = new TelemetryChartObject(chartDefinition);<a name="line.108"></a>
<FONT color="green">109</FONT>        <a name="line.109"></a>
<FONT color="green">110</FONT>        for (TelemetryChartDefinition.SubChartDefinition subChart : chartDefinition.getSubCharts()) {<a name="line.110"></a>
<FONT color="green">111</FONT>          <a name="line.111"></a>
<FONT color="green">112</FONT>          //find the TelmetryStreamsDefinition object<a name="line.112"></a>
<FONT color="green">113</FONT>          StreamsReference streamsRef = subChart.getStreamsReference();<a name="line.113"></a>
<FONT color="green">114</FONT>          TelemetryStreamsDefinition streamsDef <a name="line.114"></a>
<FONT color="green">115</FONT>              = telemetryDefinitionResolver.resolveStreamsDefinition(streamsRef.getName());     <a name="line.115"></a>
<FONT color="green">116</FONT>          //prepares a variable resolver for the TelemetryStreamsDefinition object<a name="line.116"></a>
<FONT color="green">117</FONT>          Expression[] streamsRefParameters = streamsRef.getParameters();<a name="line.117"></a>
<FONT color="green">118</FONT>          Variable[] streamsVariables = streamsDef.getVariables();<a name="line.118"></a>
<FONT color="green">119</FONT>          if (streamsVariables.length != streamsRefParameters.length) {<a name="line.119"></a>
<FONT color="green">120</FONT>            throw new TelemetryEvaluationException("Error in chart definition detected. The streams '"<a name="line.120"></a>
<FONT color="green">121</FONT>              + streamsDef.getName() + "' the chart relies on has " + streamsVariables.length<a name="line.121"></a>
<FONT color="green">122</FONT>              + " parameter(s), but the chart has only supplied " + streamsRefParameters.length <a name="line.122"></a>
<FONT color="green">123</FONT>              + " parameter value(s).");<a name="line.123"></a>
<FONT color="green">124</FONT>          }<a name="line.124"></a>
<FONT color="green">125</FONT>          VariableResolver streamsVariableResolver = new VariableResolver();<a name="line.125"></a>
<FONT color="green">126</FONT>          for (int j = 0; j &lt; streamsVariables.length; j++) {<a name="line.126"></a>
<FONT color="green">127</FONT>            Expression streamsRefParameter = streamsRefParameters[j];<a name="line.127"></a>
<FONT color="green">128</FONT>            if (streamsRefParameter instanceof Constant) {<a name="line.128"></a>
<FONT color="green">129</FONT>              streamsVariableResolver.add(streamsVariables[j], (Constant) streamsRefParameter);<a name="line.129"></a>
<FONT color="green">130</FONT>            }<a name="line.130"></a>
<FONT color="green">131</FONT>            else if (streamsRefParameter instanceof Variable) {<a name="line.131"></a>
<FONT color="green">132</FONT>              Constant constant = variableResolver.resolve((Variable) streamsRefParameter);<a name="line.132"></a>
<FONT color="green">133</FONT>              streamsVariableResolver.add(streamsVariables[j], constant);          <a name="line.133"></a>
<FONT color="green">134</FONT>            }<a name="line.134"></a>
<FONT color="green">135</FONT>            else {<a name="line.135"></a>
<FONT color="green">136</FONT>              throw new RuntimeException("Unknow parameter type.");          <a name="line.136"></a>
<FONT color="green">137</FONT>            }<a name="line.137"></a>
<FONT color="green">138</FONT>          }<a name="line.138"></a>
<FONT color="green">139</FONT>          //get TelemetryStreamsObject<a name="line.139"></a>
<FONT color="green">140</FONT>          TelemetryStreamsObject streamsObject <a name="line.140"></a>
<FONT color="green">141</FONT>              = TelemetryEvaluator.evaluate(streamsDef, streamsVariableResolver, project, dpdClient, <a name="line.141"></a>
<FONT color="green">142</FONT>                  interval);<a name="line.142"></a>
<FONT color="green">143</FONT>        <a name="line.143"></a>
<FONT color="green">144</FONT>          <a name="line.144"></a>
<FONT color="green">145</FONT>          //find the YAxisDefinition object<a name="line.145"></a>
<FONT color="green">146</FONT>          YAxisReference yAxisRef = subChart.getYAxisReference();<a name="line.146"></a>
<FONT color="green">147</FONT>          TelemetryChartYAxisDefinition yAxisDef<a name="line.147"></a>
<FONT color="green">148</FONT>              = telemetryDefinitionResolver.resolveYAxisDefinition(yAxisRef.getName());<a name="line.148"></a>
<FONT color="green">149</FONT>          //prepares a variable resolver for the YAxisDefinition object<a name="line.149"></a>
<FONT color="green">150</FONT>          Expression[] yAxisRefParameters = yAxisRef.getParameters();<a name="line.150"></a>
<FONT color="green">151</FONT>          Variable[] yAxisVariables = yAxisDef.getVariables();<a name="line.151"></a>
<FONT color="green">152</FONT>          if (yAxisVariables.length != yAxisRefParameters.length) {<a name="line.152"></a>
<FONT color="green">153</FONT>            throw new TelemetryEvaluationException("Error in chart definition detected. The y-axis '"<a name="line.153"></a>
<FONT color="green">154</FONT>              + yAxisDef.getName() + "' the chart relies on has " + yAxisVariables.length<a name="line.154"></a>
<FONT color="green">155</FONT>              + " parameter(s), but the chart has only supplied " + yAxisRefParameters.length <a name="line.155"></a>
<FONT color="green">156</FONT>              + " parameter value(s).");<a name="line.156"></a>
<FONT color="green">157</FONT>          }<a name="line.157"></a>
<FONT color="green">158</FONT>          VariableResolver yAxisVariableResolver = new VariableResolver();<a name="line.158"></a>
<FONT color="green">159</FONT>          for (int j = 0; j &lt; yAxisVariables.length; j++) {<a name="line.159"></a>
<FONT color="green">160</FONT>            Expression yAxisRefParameter = yAxisRefParameters[j];<a name="line.160"></a>
<FONT color="green">161</FONT>            if (yAxisRefParameter instanceof Constant) {<a name="line.161"></a>
<FONT color="green">162</FONT>              yAxisVariableResolver.add(yAxisVariables[j], (Constant) yAxisRefParameter);<a name="line.162"></a>
<FONT color="green">163</FONT>            }<a name="line.163"></a>
<FONT color="green">164</FONT>            else if (yAxisRefParameter instanceof Variable) {<a name="line.164"></a>
<FONT color="green">165</FONT>              Constant constant = variableResolver.resolve((Variable) yAxisRefParameter);<a name="line.165"></a>
<FONT color="green">166</FONT>              yAxisVariableResolver.add(yAxisVariables[j], constant);          <a name="line.166"></a>
<FONT color="green">167</FONT>            }<a name="line.167"></a>
<FONT color="green">168</FONT>            else {<a name="line.168"></a>
<FONT color="green">169</FONT>              throw new RuntimeException("Unsupported parameter type in y-axis " + yAxisDef.getName());<a name="line.169"></a>
<FONT color="green">170</FONT>            }<a name="line.170"></a>
<FONT color="green">171</FONT>          }<a name="line.171"></a>
<FONT color="green">172</FONT>          //get y-axis label value<a name="line.172"></a>
<FONT color="green">173</FONT>          String yAxisLabelValue = null;<a name="line.173"></a>
<FONT color="green">174</FONT>          Expression yAxisDefLabelParam = yAxisDef.getLabelParameter();<a name="line.174"></a>
<FONT color="green">175</FONT>          if (yAxisDefLabelParam instanceof StringConstant) {<a name="line.175"></a>
<FONT color="green">176</FONT>            yAxisLabelValue = ((StringConstant) yAxisDefLabelParam).getValue();<a name="line.176"></a>
<FONT color="green">177</FONT>          }<a name="line.177"></a>
<FONT color="green">178</FONT>          else if (yAxisDefLabelParam instanceof Variable) {<a name="line.178"></a>
<FONT color="green">179</FONT>            Constant constant = yAxisVariableResolver.resolve((Variable) yAxisDefLabelParam);<a name="line.179"></a>
<FONT color="green">180</FONT>            if (constant instanceof StringConstant) {<a name="line.180"></a>
<FONT color="green">181</FONT>              yAxisLabelValue = ((StringConstant) constant).getValue();<a name="line.181"></a>
<FONT color="green">182</FONT>            }<a name="line.182"></a>
<FONT color="green">183</FONT>            else {<a name="line.183"></a>
<FONT color="green">184</FONT>              throw new TelemetryEvaluationException("Y-axis '" + yAxisDef.getName()<a name="line.184"></a>
<FONT color="green">185</FONT>                  + "' variable '" + ((Variable) yAxisDefLabelParam).getName() <a name="line.185"></a>
<FONT color="green">186</FONT>                  + "' does not resolve to a string.");<a name="line.186"></a>
<FONT color="green">187</FONT>            }<a name="line.187"></a>
<FONT color="green">188</FONT>          }<a name="line.188"></a>
<FONT color="green">189</FONT>          else {<a name="line.189"></a>
<FONT color="green">190</FONT>            throw new RuntimeException("Unsupported parameter type in y-axis " + yAxisDef.getName());<a name="line.190"></a>
<FONT color="green">191</FONT>          }<a name="line.191"></a>
<FONT color="green">192</FONT>    <a name="line.192"></a>
<FONT color="green">193</FONT>          //add the sub-chart<a name="line.193"></a>
<FONT color="green">194</FONT>          boolean isYAxisInteger = TelemetryChartYAxisDefinition.NUMBER_TYPE_INTEGER.equals(<a name="line.194"></a>
<FONT color="green">195</FONT>              yAxisDef.getNumberType());<a name="line.195"></a>
<FONT color="green">196</FONT>          Number lowerBound = null;<a name="line.196"></a>
<FONT color="green">197</FONT>          Number upperBound = null;<a name="line.197"></a>
<FONT color="green">198</FONT>          if (! yAxisDef.isAutoScale()) {<a name="line.198"></a>
<FONT color="green">199</FONT>            lowerBound = yAxisDef.getLowerBound();<a name="line.199"></a>
<FONT color="green">200</FONT>            upperBound = yAxisDef.getUpperBound();<a name="line.200"></a>
<FONT color="green">201</FONT>          }<a name="line.201"></a>
<FONT color="green">202</FONT>          TelemetryChartObject.YAxis yAxisObject = new TelemetryChartObject.YAxis(yAxisLabelValue,<a name="line.202"></a>
<FONT color="green">203</FONT>              isYAxisInteger, lowerBound, upperBound);<a name="line.203"></a>
<FONT color="green">204</FONT>          telemetryChartObject.addSubChart(new TelemetryChartObject.SubChart(<a name="line.204"></a>
<FONT color="green">205</FONT>              streamsObject, yAxisObject));<a name="line.205"></a>
<FONT color="green">206</FONT>        }<a name="line.206"></a>
<FONT color="green">207</FONT>        <a name="line.207"></a>
<FONT color="green">208</FONT>        return telemetryChartObject;<a name="line.208"></a>
<FONT color="green">209</FONT>      }<a name="line.209"></a>
<FONT color="green">210</FONT>      <a name="line.210"></a>
<FONT color="green">211</FONT>      /**<a name="line.211"></a>
<FONT color="green">212</FONT>       * Evaluates a telemetry report definition to &lt;code&gt;TelemetryReportObject&lt;/code&gt; object.<a name="line.212"></a>
<FONT color="green">213</FONT>       * <a name="line.213"></a>
<FONT color="green">214</FONT>       * @param reportDefinition The telemetry report definition.<a name="line.214"></a>
<FONT color="green">215</FONT>       * @param telemetryDefinitionResolver The telemetry definition resolver.<a name="line.215"></a>
<FONT color="green">216</FONT>       * @param variableResolver The variable resolver.<a name="line.216"></a>
<FONT color="green">217</FONT>       * @param project The project.<a name="line.217"></a>
<FONT color="green">218</FONT>       * @param dpdClient The DPD Client.<a name="line.218"></a>
<FONT color="green">219</FONT>       * @param interval The interval.<a name="line.219"></a>
<FONT color="green">220</FONT>       * <a name="line.220"></a>
<FONT color="green">221</FONT>       * @return An instance of &lt;code&gt;TelemetryReportObject&lt;/code&gt; object.  <a name="line.221"></a>
<FONT color="green">222</FONT>       * <a name="line.222"></a>
<FONT color="green">223</FONT>       * @throws TelemetryEvaluationException If there is any error during the evaluation process.<a name="line.223"></a>
<FONT color="green">224</FONT>       */<a name="line.224"></a>
<FONT color="green">225</FONT>      public static TelemetryReportObject evaluate(TelemetryReportDefinition reportDefinition, <a name="line.225"></a>
<FONT color="green">226</FONT>          TelemetryDefinitionResolver telemetryDefinitionResolver, VariableResolver variableResolver, <a name="line.226"></a>
<FONT color="green">227</FONT>          Project project, DailyProjectDataClient dpdClient, Interval interval) <a name="line.227"></a>
<FONT color="green">228</FONT>      throws TelemetryEvaluationException {<a name="line.228"></a>
<FONT color="green">229</FONT>        <a name="line.229"></a>
<FONT color="green">230</FONT>        TelemetryReportObject telemetryReportObject = new TelemetryReportObject(reportDefinition);<a name="line.230"></a>
<FONT color="green">231</FONT>        for (ChartReference chartRef : reportDefinition.getChartReferences()) {<a name="line.231"></a>
<FONT color="green">232</FONT>          //find the TelmetryChartDefinition object<a name="line.232"></a>
<FONT color="green">233</FONT>          TelemetryChartDefinition chartDef <a name="line.233"></a>
<FONT color="green">234</FONT>              = telemetryDefinitionResolver.resolveChartDefinition(chartRef.getName());<a name="line.234"></a>
<FONT color="green">235</FONT>          <a name="line.235"></a>
<FONT color="green">236</FONT>          //prepares a variable resolver for the TelemetryChartDefinition object<a name="line.236"></a>
<FONT color="green">237</FONT>          Expression[] chartRefParameters = chartRef.getParameters();<a name="line.237"></a>
<FONT color="green">238</FONT>          Variable[] chartVariables = chartDef.getVariables();<a name="line.238"></a>
<FONT color="green">239</FONT>          if (chartVariables.length != chartRefParameters.length) {<a name="line.239"></a>
<FONT color="green">240</FONT>            throw new TelemetryEvaluationException("Error in report definition detected. The chart '"<a name="line.240"></a>
<FONT color="green">241</FONT>              + chartDef.getName() + "' the chart relies on has " + chartVariables.length<a name="line.241"></a>
<FONT color="green">242</FONT>              + " parameter(s), but the chart has only supplied " + chartRefParameters.length <a name="line.242"></a>
<FONT color="green">243</FONT>              + " parameter value(s).");<a name="line.243"></a>
<FONT color="green">244</FONT>          }<a name="line.244"></a>
<FONT color="green">245</FONT>          VariableResolver chartVariableResolver = new VariableResolver();<a name="line.245"></a>
<FONT color="green">246</FONT>          for (int j = 0; j &lt; chartVariables.length; j++) {<a name="line.246"></a>
<FONT color="green">247</FONT>            Expression chartRefParameter = chartRefParameters[j];<a name="line.247"></a>
<FONT color="green">248</FONT>            if (chartRefParameter instanceof Constant) {<a name="line.248"></a>
<FONT color="green">249</FONT>              chartVariableResolver.add(chartVariables[j], (Constant) chartRefParameter);<a name="line.249"></a>
<FONT color="green">250</FONT>            }<a name="line.250"></a>
<FONT color="green">251</FONT>            else if (chartRefParameter instanceof Variable) {<a name="line.251"></a>
<FONT color="green">252</FONT>              Constant constant = variableResolver.resolve((Variable) chartRefParameter);<a name="line.252"></a>
<FONT color="green">253</FONT>              chartVariableResolver.add(chartVariables[j], constant);          <a name="line.253"></a>
<FONT color="green">254</FONT>            }<a name="line.254"></a>
<FONT color="green">255</FONT>            else {<a name="line.255"></a>
<FONT color="green">256</FONT>              throw new RuntimeException("Unknow parameter type.");          <a name="line.256"></a>
<FONT color="green">257</FONT>            }<a name="line.257"></a>
<FONT color="green">258</FONT>          }<a name="line.258"></a>
<FONT color="green">259</FONT>        <a name="line.259"></a>
<FONT color="green">260</FONT>          //generate telemetry chart object<a name="line.260"></a>
<FONT color="green">261</FONT>          TelemetryChartObject chartObject = TelemetryEvaluator.evaluate(chartDef, <a name="line.261"></a>
<FONT color="green">262</FONT>              telemetryDefinitionResolver, chartVariableResolver, project, dpdClient, interval);  <a name="line.262"></a>
<FONT color="green">263</FONT>          telemetryReportObject.addChartObject(chartObject);<a name="line.263"></a>
<FONT color="green">264</FONT>        }<a name="line.264"></a>
<FONT color="green">265</FONT>        <a name="line.265"></a>
<FONT color="green">266</FONT>        return telemetryReportObject;<a name="line.266"></a>
<FONT color="green">267</FONT>      }<a name="line.267"></a>
<FONT color="green">268</FONT>      <a name="line.268"></a>
<FONT color="green">269</FONT>      /**<a name="line.269"></a>
<FONT color="green">270</FONT>       * Resolves an expression to an instance of &lt;code&gt;TelemetryStreamCollection&lt;/code&gt;<a name="line.270"></a>
<FONT color="green">271</FONT>       * or &lt;code&gt;Number&lt;/code&gt;.<a name="line.271"></a>
<FONT color="green">272</FONT>       * <a name="line.272"></a>
<FONT color="green">273</FONT>       * @param expression The telemetry expression.<a name="line.273"></a>
<FONT color="green">274</FONT>       * @param variableResolver The variable resolver.<a name="line.274"></a>
<FONT color="green">275</FONT>       * @param project The project.<a name="line.275"></a>
<FONT color="green">276</FONT>       * @param dpdClient The DPD Client.<a name="line.276"></a>
<FONT color="green">277</FONT>       * @param interval The interval.<a name="line.277"></a>
<FONT color="green">278</FONT>       * <a name="line.278"></a>
<FONT color="green">279</FONT>       * @return The resulting instance of type either &lt;code&gt;TelemetryStreamCollection&lt;/code&gt;<a name="line.279"></a>
<FONT color="green">280</FONT>       *         or &lt;code&gt;Number&lt;/code&gt;.<a name="line.280"></a>
<FONT color="green">281</FONT>       * <a name="line.281"></a>
<FONT color="green">282</FONT>       * @throws TelemetryEvaluationException If the expression call cannot be resolved.<a name="line.282"></a>
<FONT color="green">283</FONT>       */<a name="line.283"></a>
<FONT color="green">284</FONT>      static Object resolveExpression(Expression expression, VariableResolver variableResolver,<a name="line.284"></a>
<FONT color="green">285</FONT>          Project project, DailyProjectDataClient dpdClient, Interval interval) <a name="line.285"></a>
<FONT color="green">286</FONT>      throws TelemetryEvaluationException {<a name="line.286"></a>
<FONT color="green">287</FONT>        try {<a name="line.287"></a>
<FONT color="green">288</FONT>          FunctionCall idempotent = new FunctionCall("idempotent", new Expression[]{expression});<a name="line.288"></a>
<FONT color="green">289</FONT>          return resolveFunctionCall(idempotent, variableResolver, project, dpdClient, interval);<a name="line.289"></a>
<FONT color="green">290</FONT>        }<a name="line.290"></a>
<FONT color="green">291</FONT>        catch (Exception ex) {<a name="line.291"></a>
<FONT color="green">292</FONT>          throw new TelemetryEvaluationException(ex);<a name="line.292"></a>
<FONT color="green">293</FONT>        }<a name="line.293"></a>
<FONT color="green">294</FONT>      }<a name="line.294"></a>
<FONT color="green">295</FONT>     <a name="line.295"></a>
<FONT color="green">296</FONT>      /**<a name="line.296"></a>
<FONT color="green">297</FONT>       * Resolves a function call to an instance of &lt;code&gt;TelemetryStreamCollection&lt;/code&gt;<a name="line.297"></a>
<FONT color="green">298</FONT>       * or &lt;code&gt;Number&lt;/code&gt;.<a name="line.298"></a>
<FONT color="green">299</FONT>       * <a name="line.299"></a>
<FONT color="green">300</FONT>       * @param functionCall The &lt;code&gt;FunctionCall&lt;/code&gt; instance.<a name="line.300"></a>
<FONT color="green">301</FONT>       * @param variableResolver The variable resolver.<a name="line.301"></a>
<FONT color="green">302</FONT>       * @param project The project.<a name="line.302"></a>
<FONT color="green">303</FONT>       * @param dpdClient The DPD Client.<a name="line.303"></a>
<FONT color="green">304</FONT>       * @param interval The interval.<a name="line.304"></a>
<FONT color="green">305</FONT>       * <a name="line.305"></a>
<FONT color="green">306</FONT>       * @return The result. It's an instance of type either &lt;code&gt;TelemetryStreamCollection&lt;/code&gt;<a name="line.306"></a>
<FONT color="green">307</FONT>       *         or &lt;code&gt;Number&lt;/code&gt;.<a name="line.307"></a>
<FONT color="green">308</FONT>       * <a name="line.308"></a>
<FONT color="green">309</FONT>       * @throws Exception If the function call cannot be resolved.<a name="line.309"></a>
<FONT color="green">310</FONT>       */<a name="line.310"></a>
<FONT color="green">311</FONT>      private static Object resolveFunctionCall(FunctionCall functionCall, <a name="line.311"></a>
<FONT color="green">312</FONT>          VariableResolver variableResolver, Project project, DailyProjectDataClient dpdClient, <a name="line.312"></a>
<FONT color="green">313</FONT>          Interval interval) throws Exception {<a name="line.313"></a>
<FONT color="green">314</FONT>        <a name="line.314"></a>
<FONT color="green">315</FONT>        Expression[] parameters = functionCall.getParameters();<a name="line.315"></a>
<FONT color="green">316</FONT>        <a name="line.316"></a>
<FONT color="green">317</FONT>        //Only 3 types of objects are valid: String, Number, TelemetryStreamCollection.<a name="line.317"></a>
<FONT color="green">318</FONT>        Object[] parameterValues = new Object[parameters.length];<a name="line.318"></a>
<FONT color="green">319</FONT>        <a name="line.319"></a>
<FONT color="green">320</FONT>        for (int i = 0; i &lt; parameters.length; i++) {<a name="line.320"></a>
<FONT color="green">321</FONT>          Expression param = parameters[i];<a name="line.321"></a>
<FONT color="green">322</FONT>          //resolve variable first<a name="line.322"></a>
<FONT color="green">323</FONT>          if (param instanceof Variable) {<a name="line.323"></a>
<FONT color="green">324</FONT>            param = variableResolver.resolve((Variable) param);<a name="line.324"></a>
<FONT color="green">325</FONT>          }<a name="line.325"></a>
<FONT color="green">326</FONT>          //fill parameterValues next<a name="line.326"></a>
<FONT color="green">327</FONT>          if (param instanceof ReducerCall) {<a name="line.327"></a>
<FONT color="green">328</FONT>            parameterValues[i] <a name="line.328"></a>
<FONT color="green">329</FONT>                = resolveReducerCall((ReducerCall) param, variableResolver, project, dpdClient, <a name="line.329"></a>
<FONT color="green">330</FONT>                    interval);<a name="line.330"></a>
<FONT color="green">331</FONT>          }<a name="line.331"></a>
<FONT color="green">332</FONT>          else if (param instanceof FunctionCall) {<a name="line.332"></a>
<FONT color="green">333</FONT>            parameterValues[i] <a name="line.333"></a>
<FONT color="green">334</FONT>                = resolveFunctionCall((FunctionCall) param, variableResolver, project, dpdClient, <a name="line.334"></a>
<FONT color="green">335</FONT>                    interval);<a name="line.335"></a>
<FONT color="green">336</FONT>          }<a name="line.336"></a>
<FONT color="green">337</FONT>          else if (param instanceof NumberConstant) {<a name="line.337"></a>
<FONT color="green">338</FONT>            parameterValues[i] = ((NumberConstant) param).getValue();<a name="line.338"></a>
<FONT color="green">339</FONT>          }<a name="line.339"></a>
<FONT color="green">340</FONT>          else if (param instanceof StringConstant) {<a name="line.340"></a>
<FONT color="green">341</FONT>            parameterValues[i] = ((StringConstant) param).getValue();<a name="line.341"></a>
<FONT color="green">342</FONT>          }<a name="line.342"></a>
<FONT color="green">343</FONT>          else {<a name="line.343"></a>
<FONT color="green">344</FONT>            throw new TelemetryEvaluationException("Function " + functionCall.getFunctionName() <a name="line.344"></a>
<FONT color="green">345</FONT>                + " does not accept parameter of type " + param.getClass().getName());<a name="line.345"></a>
<FONT color="green">346</FONT>          }  <a name="line.346"></a>
<FONT color="green">347</FONT>        }  <a name="line.347"></a>
<FONT color="green">348</FONT>        return TelemetryFunctionManager.getInstance().compute(functionCall.getFunctionName(),<a name="line.348"></a>
<FONT color="green">349</FONT>            parameterValues);<a name="line.349"></a>
<FONT color="green">350</FONT>      }<a name="line.350"></a>
<FONT color="green">351</FONT>      <a name="line.351"></a>
<FONT color="green">352</FONT>      <a name="line.352"></a>
<FONT color="green">353</FONT>      /**<a name="line.353"></a>
<FONT color="green">354</FONT>       * Resolves a reducer call to an instance of &lt;code&gt;TelemetryStreamCollection&lt;/code&gt;.<a name="line.354"></a>
<FONT color="green">355</FONT>       * <a name="line.355"></a>
<FONT color="green">356</FONT>       * @param reducerCall The &lt;code&gt;ReducerCall&lt;/code&gt; instance.<a name="line.356"></a>
<FONT color="green">357</FONT>       * @param variableResolver The variable resolver.<a name="line.357"></a>
<FONT color="green">358</FONT>       * @param project The project.<a name="line.358"></a>
<FONT color="green">359</FONT>       * @param dpdClient The DPD Client.<a name="line.359"></a>
<FONT color="green">360</FONT>       * @param interval The interval.<a name="line.360"></a>
<FONT color="green">361</FONT>       * <a name="line.361"></a>
<FONT color="green">362</FONT>       * @return The resulting instance of &lt;code&gt;TelemetryStreamCollection&lt;/code&gt;.<a name="line.362"></a>
<FONT color="green">363</FONT>       * <a name="line.363"></a>
<FONT color="green">364</FONT>       * @throws Exception If the reducer call cannot be resolved.<a name="line.364"></a>
<FONT color="green">365</FONT>       */<a name="line.365"></a>
<FONT color="green">366</FONT>      private static TelemetryStreamCollection resolveReducerCall(ReducerCall reducerCall, <a name="line.366"></a>
<FONT color="green">367</FONT>          VariableResolver variableResolver, Project project, DailyProjectDataClient dpdClient, <a name="line.367"></a>
<FONT color="green">368</FONT>          Interval interval) throws Exception {<a name="line.368"></a>
<FONT color="green">369</FONT>        <a name="line.369"></a>
<FONT color="green">370</FONT>        Expression[] parameters = reducerCall.getParameters();<a name="line.370"></a>
<FONT color="green">371</FONT>        <a name="line.371"></a>
<FONT color="green">372</FONT>        //Only objects of type String is valid.<a name="line.372"></a>
<FONT color="green">373</FONT>        String[] parameterValues = new String[parameters.length];<a name="line.373"></a>
<FONT color="green">374</FONT>        <a name="line.374"></a>
<FONT color="green">375</FONT>        for (int i = 0; i &lt; parameters.length; i++) {<a name="line.375"></a>
<FONT color="green">376</FONT>          Expression param = parameters[i];<a name="line.376"></a>
<FONT color="green">377</FONT>          //resolve variable first<a name="line.377"></a>
<FONT color="green">378</FONT>          if (param instanceof Variable) {<a name="line.378"></a>
<FONT color="green">379</FONT>            param = variableResolver.resolve((Variable) param); <a name="line.379"></a>
<FONT color="green">380</FONT>          }<a name="line.380"></a>
<FONT color="green">381</FONT>          //fill parameterValues next<a name="line.381"></a>
<FONT color="green">382</FONT>          if (param instanceof Constant) {<a name="line.382"></a>
<FONT color="green">383</FONT>            parameterValues[i] = ((Constant) param).getValueString();<a name="line.383"></a>
<FONT color="green">384</FONT>          }<a name="line.384"></a>
<FONT color="green">385</FONT>          else {<a name="line.385"></a>
<FONT color="green">386</FONT>            throw new TelemetryEvaluationException("Reducer " + reducerCall.getReducerName() <a name="line.386"></a>
<FONT color="green">387</FONT>                + " does not accept parameter of type " + param.getClass().getName());<a name="line.387"></a>
<FONT color="green">388</FONT>          }<a name="line.388"></a>
<FONT color="green">389</FONT>        }<a name="line.389"></a>
<FONT color="green">390</FONT>        return TelemetryReducerManager.getInstance().compute(reducerCall.getReducerName(),<a name="line.390"></a>
<FONT color="green">391</FONT>            dpdClient, project, interval, parameterValues);<a name="line.391"></a>
<FONT color="green">392</FONT>      }<a name="line.392"></a>
<FONT color="green">393</FONT>    }<a name="line.393"></a>




























































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